Messages in this thread | | | Date | Wed, 23 Apr 2014 10:00:23 +0200 | From | Tobias Klauser <> | Subject | Re: [PATCH 23/28] nios2: Nios2 registers |
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On 2014-04-23 at 09:10:26 +0200, Ley Foon Tan <lftan@altera.com> wrote: > Hi Tobias > > > On Tue, Apr 22, 2014 at 8:39 PM, Tobias Klauser <tklauser@distanz.ch> wrote: > > On 2014-04-18 at 14:27:06 +0200, Ley Foon Tan <lftan@altera.com> wrote: > > >> + > >> +/* estatus register bits */ > >> +#define ESTATUS_EPIE (1 << 0) /* processor interrupt enable */ > >> +#define ESTATUS_EU (1 << 1) /* user mode */ > >> +#define ESTATUS_EH (1 << 2) /* Exception mode */ > >> + > >> +/* tlbmisc register bits */ > >> +#define TLBMISC_PID_SHIFT 4 > >> +#define TLBMISC_PID_MASK ((1UL << cpuinfo.tlb_pid_num_bits) - 1) > > > > You should probably #include <asm/cpuinfo.h> here since struct cpuinfo > > is used in the definition. > Okay, but I think we should add #ifndef __ASSEMBLY__ at #include > <asm/cpuinfo.h> and at line #define TLBMISC_PID_MASK. > Assembly source file might include this file as well.
Yes, makes sense.
> > > >> +#define TLBMISC_WAY_MASK 0xf > >> +#define TLBMISC_WAY_SHIFT 20 > >> + > >> +#define TLBMISC_PID (TLBMISC_PID_MASK << TLBMISC_PID_SHIFT) /* TLB PID */ > >> +#define TLBMISC_WE (1 << 18) /* TLB write enable */ > >> +#define TLBMISC_RD (1 << 19) /* TLB read */ > >> +#define TLBMISC_WAY (TLBMISC_WAY_MASK << TLBMISC_WAY_SHIFT) /* TLB way */ > >> + > >> +#endif /* _ASM_NIOS2_REGISTERS_H */ > > >> >
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